 | Kříbek, Bohdan, Sýkorová, Ivana, Machovič, Vladimír, Knésl, Ilja, Laufek, František, Zachariáš, Jiří (2015) The origin and hydrothermal mobilization of carbonaceous matter associated with Paleoproterozoic orogenic-type gold deposits of West Africa. Precambrian Research, 270. 300-317 doi:10.1016/j.precamres.2015.09.017 | Journal (article/letter/editorial) | | metasediment-hosted, orogenic-type gold deposits in Burkina Faso (the Inata deposit), in Mali (the Syama deposit),...in paragenesis with Au-bearing arsenopyrite or pyrite, seems to have been due to supersaturation of hydrothermal...extensive fracturing and cataclastic deformation of pyrite and arsenopyrite and with remobilization of older...Ghana (the Obuashi and Bogoso deposits), Burkina Faso (the Inata deposit) and Mali (the Syama deposit) using...associated with disseminated arsenopyrite and/or pyrite in CM-rich shear zones and adjacent relatively |  | Ouiya, Pascal, Siebenaller, Luc, Salvi, Stefano, Béziat, Didier, Naba, Séta, Baratoux, Lenka, Naré, Athanase, Franceschi, Guy (2016) The Nassara gold prospect, Gaoua District, southwestern Burkina Faso. Ore Geology Reviews, 78. 623-630 doi:10.1016/j.oregeorev.2015.11.026 | Journal (article/letter/editorial) | | gold prospect, Gaoua District, southwestern Burkina Faso Pascal Ouiya a,b, Luc Siebenaller b,c,⁎, Stefano...Guy Franceschi f a Université de Ouagadougou, Burkina Faso Université de Toulouse, CNRS, Géosciences Environnement...Keywords: West African Craton Boromo Greenstone Belt Burkina Faso Orogenic gold Shear zone a b s t r a c t The...Birimian Boromo Greenstone Belt in southwestern Burkina Faso. It is part of a larger mineralized field that...termination of the Boromo Belt. Gold is associated with pyrite and other Fe-bearing minerals that occur disseminated |  | Salvi, S., Sangaré, A., Driouch, Y., Siebenaller, L., Béziat, D., Debat, P., Femenias, O. (2016) The Kalana vein-hosted gold deposit, southern Mali. Ore Geology Reviews, 78. 599-605 doi:10.1016/j.oregeorev.2015.10.011 | Journal (article/letter/editorial) | | in the Kalana region had been exploited by artisanal mining methods long before the mine existed. The...1985 and lasted until 1991, during which time the mine produced approximately 81,000 oz of gold (227,000...from the Malian government. Within two years, the mine was back in operation. Avnel entered into a 3year...estimate for an open-pit operation near the underground mine, with 2.11 Moz grading 4.52 g/t, and an inferred...type Current owner Average grade Tonnage Sikasso Region of Southern Mali. The deposit is situated some |  | Le Mignot, Elodie, Reisberg, Laurie, André-Mayer, Anne-Sylvie, Bourassa, Yan, Fontaine, Arnaud, Miller, John (2017) Re-Os Geochronological Evidence for Multiple Paleoproterozoic Gold Events at the Scale of the West African Craton. Economic Geology, 112 (1) 145-168 doi:10.2113/econgeo.112.1.145 | Journal (article/letter/editorial) | | timing of gold events: Nassara and Kiaka in Burkina Faso and Wassa, Damang, and Obuasi in southern Ghana...each deposit, and dated by the Re-Os method on pyrite, arsenopyrite, and pyrrhotite grains that were...production of Ghana, which was the main gold-producing region in Africa before the discovery of the Witwatersrand...MIGNOT ET AL. 10°N 5°N 0° 15°N Essakhane NIGER Inata Yatela Sadiola SENEGAL Loulo MALI Siguiri GUINEA... Ouagadougou Wona-Kona Morila Kalana GO BURKINA FASO Nassara BENIN TO G LW O 10°N Fig.2a |  | | Journal (article/letter/editorial) | | Africa: The World’s Premier Paleoproterozoic Gold Province* Richard J. Goldfarb,1, 2,† Anne-Sylvie André-Mayer...and the largest Paleoproterozoic gold-producing region. The gold resources are concentrated within the...in greenstone belts in Ghana, Mali, Senegal, Burkina Faso, Cote d’Ivoire (or Ivory Coast), and Guinea...significance of the gold mineralization within this region. With an endowment of >2,500 t Au, the Obuasi deposit...including the Yilgarn craton and the Superior province. In addition to the widespread orogenic gold |  | Le Mignot, Elodie, Siebenaller, Luc, Béziat, Didier, André-Mayer, Anne-Sylvie, Reisberg, Laurie, Salvi, Stefano, Velasquez, Germán, Zimmermann, Catherine, Naré, Athanase, Franceschi, Guy (2017) The Paleoproterozoic Copper-Gold Deposits of the Gaoua District, Burkina Faso: Superposition of Orogenic Gold on a Porphyry Copper Occurrence?. Economic Geology, 112 (1) 99-122 doi:10.2113/econgeo.112.1.99 | Journal (article/letter/editorial) | | Copper-Gold Deposits of the Gaoua District, Burkina Faso: Superposition of Orogenic Gold on a Porphyry...the Boromo-Goren greenstone belt in southern Burkina Faso, is a rare case where economic copper and gold...associated with early arsenic-poor and gold-free pyrite. The geochemistry of the plutonic rocks and associated...a second generation of sulfides, with the later pyrite hosting visible gold and minor chalcopyrite that...compositions rich in Ag, As, Au, Bi, Cu, and Pb. Pyrite with this signature was only observed in local |  | | Journal (article/letter/editorial) | | 62 developed in Mali, Mauritania, Senegal, Burkina Faso, Ghana and Cote d’Ivoire. 63 The focus of...described from studies in Ghana and Page 5 of 87 Burkina Faso by Attoh (1982), Eisenlohr (1989), Feybesse...2006), and 2181 172 - 2117 Ma in northeast Burkina Faso (Tapsoba et al., 2013; Tshibubudze et al., this...000 km2 extending from Ghana, 229 Togo, and Burkina Faso to Niger. It is positioned near the south-eastern...presence of the volcanic rocks in 247 the Dakar region indicates that magmatic activity, with concomitant |  | Parra-Avila, Luis A., Kemp, Anthony I.S., Fiorentini, Marco L., Belousova, Elena, Baratoux, Lenka, Block, Sylvain, Jessell, Mark, Bruguier, Olivier, Begg, Graham C., Miller, John, Davis, James, McCuaig, T. Campbell (2017) The geochronological evolution of the Paleoproterozoic Baoulé-Mossi domain of the Southern West African Craton. Precambrian Research, 300. 1-27 doi:10.1016/j.precamres.2017.07.036 | Journal (article/letter/editorial) | | westernmost 51 portion when compared to the easternmost region. In addition, the new U-Pb data identify 52 ...oldest felsic intrusions in the region, including a granite from Burkina Faso (2265 53 ± 17 Ma) and a diorite...74 of involvement of older Archean crust in a region that is regarded to be the result of juvenile ...Nonetheless, most of 80 these studies are the result of mine-scale to belt-scale mapping projects, in many cases...the evolution of 97 the region. The study area extends over Burkina Faso, southern Mali, eastern Guinea |  | | Journal (article/letter/editorial) | | deposits in the world-class Mana district of Burkina Faso - Revealed by LAICP-MS analysis of pyrites and...deposits in the world-class Mana district of Burkina Faso - Revealed by LA-ICP-MS analysis of pyrites...deposits in the world-class Mana district of Burkina Faso - Revealed by LA-ICP-MS analysis of pyrites...the Birimian Houndé greenstone belt, western Burkina Faso. The gold deposits recorded different styles...with metamorphic disseminated pyrite (Py1F) in black shale, zoned pyrite (Py2F) enriched in As, Ni, Cu |  | Tedeschi, M.T., Hagemann, S.G., Kemp, A.I.S., Kirkland, C.L., Ireland, T.R. (2020) Geochronological constrains on the timing of magmatism, deformation and mineralization at the Karouni orogenic gold deposit: Guyana, South America. Precambrian Research, 337. 105329 doi:10.1016/j.precamres.2019.04.015 | Journal (article/letter/editorial) | | Node, The Institute for Geoscience Research, Department of Applied Geology, Western Australian School...35 km to the W of the former producing 5 Moz Omai mine and is interpreted to be an orogenic gold deposit...and timing of gold mineralization throughout the region. Magmatism within the 200 km2 of the Karouni camp...of orogenic gold mineralization in the Birimian Province of West Africa. Keywords: Karouni, Guyana, Orogenic...granite-greenstone belt terrane, the Trans-Amazonian Province of Paleoproterozoic age (Santos et al., 2000) |  | Gunn, A.G., Dorbor, J.K., Mankelow, J.M., Lusty, P.A.J., Deady, E.A., Shaw, R.A., Goodenough, K.M. (2018) A review of the mineral potential of Liberia. Ore Geology Reviews, 101. 413-431 doi:10.1016/j.oregeorev.2018.07.021 | Journal (article/letter/editorial) | | of iron ore is currently restricted to a single mine, Yekepa, in the Nimba Range. Other important deposits...of these are considered to be part of a single province that includes Jurassic age diamondiferous kimberlites...rocks form linear greenstone belts throughout the region. On the basis of field relationships, the Archaean...which are part of the Central Atlantic Magmatic Province (CAMP) that was emplaced during the early stages...greenstone belts in Ghana, Mali, Senegal, Niger, Burkina Faso and Côte d’Ivoire (Figure 2). At Ity in Côte |  | | Journal (article/letter/editorial) | | Environment, Analysis Journal Subscriptions Department, Geological Society Publishing House, Unit 7...Kullerud, Jana Kotková, and Vladimír Šrein article 71 Pyrite textures and compositions from the Zhuangzi Au...Partitioning of arsenic between hydrothermal fluid and pyrite during experimental siderite replacement—Christof...ore deposits and occurrences of the upper Amur region (Far East, Russia)—A.V. Melnikov and V.G. Moiseenko...Multidisciplinary evidence from the Olympic Dam region, South Australia—R.G. Skirrow, S.E. van der Wielen |  | Ding, Zhengpeng, Deng, Teng, Xu, Deru, Li, Zenghua, Zou, Shaohao, Li, Lirong, Xu, Ke, Hai, Yan, Ma, Wen (2020) Genesis of Two Types of Carbonaceous Material Associated with Gold Mineralization in the Bumo Deposit, Hainan Province, South China. Minerals, 10 (8) 708 doi:10.3390/min10080708 | Journal (article/letter/editorial) | | Gold Mineralization in the Bumo Deposit, Hainan Province, South China Zhengpeng Ding 1,2 , Teng Deng 1...mineralization. For the Bumo deposit in Hainan Province, South China, CM is mainly hosted by greenschist...Howley in Australia [2], and Syama, Obuashi, and Inata deposits in west Africa [3]. Previous studies proposed...most important gold mineralization area in Hainan Province, South China [11]. CM-bearing rocks mainly include...the Bumo deposit. 2. Regional Geology The Hainan Province (Hainan Island), an epicontinental-type island |  | | Journal (article/letter/editorial) | | of the original hectorite discovery at the Hector Mine near Barstow, California” [2]. In pioneering work...Columbia Columbia River River Basalt Basalt Province. Province. H: High Rock caldera; HV: Hawks Hawks Valley...They are sparsely exposed in a few canyons and in mine and exploration workings in the northern part of... (D) Mudstone with quartz grains, bitumen, and pyrite. Core sample WLC43-70.2 (21 m depth), plane polarized...northwest Near Bretz Mine East side in mostly covered area Near Bretz Mine Near Cordero Mine White Hill, north-central |  | | Book | | BLANC. a.B. de ( Schnee neige, Marbre blanc mine de plomb weiss') Aldus niveus. de Carrare blanche...jaune ; pailla le succin blanc. natif Argent Pyrite B. quelques zéolithes ; passant d’argent {silber...plomb Mine d’antimoine ; terne. mine d’argent blanche; galène d® feismut. 3. Gris de Mine de cuivre...cuivre 4 ■ Gris de Régule b. noirâtre. plomb mine vitreuse; plomb clgir, d’arsenic dans Gris...nuance le , dans la calcédoine tripoli, la mine de fer argilleuse. g. Gris d’aeler stahlgrau |  | Broadhurst, F. M., Jackson, J. W., Simpson, I. M., Thompson, D. B., Eagar, R. M. C. (1970) Geologists' Association Guide (7), The Area around Manchester. The Geologists' Association | Report (edition) | | will be seen that outcrops, particularly in the region of Manchester Coalfield, have been much affected...1967, 'Geological Excur sions i n the Sheffield Region', University of Sheffield. ITINERARY II CLITHEROE...Rock and evidence of coal workings in the Sand Rock Mine can be clearly seen. A north-west south-east trending...J nch Mine can be found. In the stream west of the quarry (Fig. 5, Locality 8) the Six Inch Mine Marine...sixty paces upstream from the bend the Lower Foot Mine and its scat-earth can be seen. A further sixty |  | | Report (issue) | | third tier of counties of the east is central province of Texas, and is included within the belt of...county is in the tries rolling short-grass prairie region of West Texas, which grazing land; while the...temperate There zones. is probably no other region in the state which shows such a variety especially...aside factors, are the the configuration of a region, ties from climatic most important natural features...terrace effect which is one of the features of the region. The limestones do not always or even usually weather |  | | Report (issue) | | Silurian dolomite composes the bedrock throughout the region, except in the western third of the study area...restricted to either a North Atlantic or Midcontinent Province fauna. On the basis of conodont faunas from the...Ordovician zonation scheme for the North Atlantic Province. Fortunately, the Ordovician rocks of eastern...number of species indicative of the North Atlantic Province fauna, thus permitting zonation and correlation...Ordovician), a Midcontinent Province fauna prevails; species from the North Atlantic Province are notably lacking |  | | Report (issue) | | GEORGIA STATE DIVISION OF CONSERVATION DEPARTMENT OF MINES, MINING AND GEOLOGY GARLAND PEYTON, Director...the manuscript was borne by personnel of the Department of Geology of Emory University. The State's share...of the monoclinal ridges. Structurally it is a region· of northeast trending synclinal mountains and...fine fossil debris, and small pyrite crystals. On weathering the pyrite produces iron-stained spots which...(1945) Stones River Equivalents in the Appala.chian Region, Jour. Geol., val. LIII, p. 262~275. Cooper, B |  | | Book | | Permian and Triassic rocks in the eastern Tethyan region form continuous marine sequences that record the...gathered from many areas in the eastern Tethyan region - from France to Australia - and will be of use...elsewhere in the world and is most continuous in the region covered by this book. Permo-Triassic Events...Project 203: Permo-Triassic events of East Tethys region and their intercontinental correlation The right...Project 203: Permo-Triassic Events of east Tethys Region and Their Intercontinental Correlation. p. cm. |  | | Report (issue) | | may be purchased from Bureau of Publications Department of Property and Supplies Harrisburg, Pa. CONTENTS...erected by actio11 of the Deputy Governor of the Province. The town of York had been laid out 8 years before...Test of the county are .a part of the Piedmont Province and fall into three types-(1) The Gettysburg plain...'rhe Gettysburg plain is part of the Piedmont Province, but in general its surface is Jower than that...from the foot of the ice sheet, ,vhich in this region .vas as much as 110 miles fro1n the stretch of |  | | Book | | by J.E . Treagus 4. British Tertiary Volcanic Province C.H. Emeleus and M.C. Gyopari 5. Igneous Rocks...Tertiary Palaeobotany o Great Britain C.J. Cleal Department of Biodiversity and Systematic Biology, National... Aberystwyth, UK and M.E. Collinson Geology Department, Royal Holloway University of London, Egham,...sole representative of a complementary 'Hebridean Province' Palaeobotany GCR Network. Very little is known...Eocene-early Oligocene' (Chapter 9) Hebridean Province (Chapter 7) Neogene (Chapter 9) 1 Bracklesham |  | | Book (edition) | | of vertebrate fossils indexed under one or or province from which followed by a second- order heading...Naturhist. Ann. Continued by Ann. Mus. Wien, Ser. A, Mine- Petrogr. Geol. Praehist.). Palaeontol. ISSN:...Hist. Nat., Sect. C: Sci. Terre: Paleontol., Geol., Mine- ral. [Ser. 4] - Bulletin du Museum National d'Histoire... Institute of Archaelogy, Hebrew University, Department of Antiquities & Museums, Ministry of Education...- Oregon OR, USA: Geology. Oregon Port- Department of Geology and Mineral Industries. Vol. 41- |  | | Journal (article/letter/editorial) | | species and use for zonal work in middle Appalachian region 408 Bearing on relations w ith enclosing b ed s...obtained from the Onondaga beds of the Appalachian region. The exposures are seen at the Eckerd quarry in... T hickness F eet T otal B ed New Bloomfield region (Claypole, 1885). T here are occasional thin lenses...complete exposure of the Onondaga to be seen in the region. The beds are not greatly weathered and approximate...limestones of the upper part of the Onondaga of the region, it should apply to the 50 feet of limestone and |  | | Journal (article/letter/editorial) | | Teesdale District Correlation with the South-Western Province and other Areas ... Summary and Conclusions ....~vith that now established in the SouthWestern Province and elsewhere. (5) The description of new or little-known...Lower Carboniferous rocks of the North-Western Province into a series of zones, sub-zones, and bands,...the lowest horizon met with in the North-Western Province to the Millstone Grit. I t was also in these districts...~" J - I0 i,q Equivalent~ in the SouthWestern Province. DR? (13) BOTANYBEDS with ]2hillipsaslrwa. |
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